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authorLoic Blot <loic.blot@unix-experience.fr>2017-07-26 22:54:55 +0200
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-07-27 07:56:48 +0200
commit61e487719017511fdc37a944ea7321da46d28ee4 (patch)
treef922dbc5428ab19b7966b0d6105432ab43076067 /po/et
parentbc1654feedc90caa8c26328ca6f0fc59fbe5b76c (diff)
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Massive performance improvement on correctBlockNodeIds
correctBlockNodeIds does 2 lookups for each loaded node, one to translate DB ID to name and a second to translate name to real ID. Name to real ID is very consumming if done on every node. As mapblocks are in most cases composed of many identical adjacent nodes, cache previous source and destination id and use them on the next node to prevent any lookup on those maps. This reduce the function load from 15% of my CPU usage to ~0.7%, on the test, calls was reduced from 2.5M lookups to 42k lookups, it's a huge performance gain
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generated by cgit v1.2.3 (git 2.39.1) at 2025-02-14 22:15:59 +0000
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--
-- Aliases for map generator outputs
--


minetest.register_alias("mapgen_stone", "default:stone")
minetest.register_alias("mapgen_dirt", "default:dirt")
minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
minetest.register_alias("mapgen_sand", "default:sand")
minetest.register_alias("mapgen_water_source", "default:water_source")
minetest.register_alias("mapgen_lava_source", "default:lava_source")
minetest.register_alias("mapgen_gravel", "default:gravel")
minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
minetest.register_alias("mapgen_snowblock", "default:snowblock")
minetest.register_alias("mapgen_snow", "default:snow")
minetest.register_alias("mapgen_ice", "default:ice")

minetest.register_alias("mapgen_tree", "default:tree")
minetest.register_alias("mapgen_leaves", "default:leaves")
minetest.register_alias("mapgen_apple", "default:apple")
minetest.register_alias("mapgen_jungletree", "default:jungletree")
minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
minetest.register_alias("mapgen_pinetree", "default:pinetree")
minetest.register_alias("mapgen_pine_needles", "default:pine_needles")

minetest.register_alias("mapgen_cobble", "default:cobble")
minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
minetest.register_alias("mapgen_mossycobble", "default:mossycobble")


--
-- Ore generation
--


-- Blob ore first to avoid other ores inside blobs